{"id":"000910252","type":"book","title":"Die mittelalterliche Rennfeuerverhüttung im märkischen Sauerland","publisher":"Selbstverlag der Geographischen Kommission","publisher-place":"Münster i. W","author":[{"family":"Sönnecken","given":"Manfred 1928-2003"}],"issued":{"raw":"1971"}}